Microcontroller it is mostly 8-bit Atmel device or Microchip.
These microcontrollers have up to 128 KB flash memory and 16 KB RAM memory.
Latest Autogas ECU controllers are equipped with a 32-bit ARM microcontrollers and can have up to 1024kB of flash memory.
ARM microcontrollers are also 4 to 8 times more efficient than the 8-bit microcontrollers.
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